Reference : A two-time scale simulation for dynamic analysis of power systems
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/2268/101820
A two-time scale simulation for dynamic analysis of power systems
English
Ramirez-Betancour, Reymundo [ > > ]
Fuerte-Esquivel, Claudio [ > > ]
Van Cutsem, Thierry mailto [Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation >]
2012
Electric Power Systems Research
Elsevier Science
83
185-195
Yes (verified by ORBi)
International
0378-7796
Lausanne
Switzerland
[en] Long-term dynamics ; quasi-steady state approximation ; singular perturbation theory ; time scale decomposition
[en] This paper proposes a two-time scale simulation approach of both short-term and long-term dynamics in power systems. The short-term transient period is analyzed by a full-time scale simulation while a quasi-steady state model of the power system is used to simulate long-term dynamics. The proposed method is inspired of Singular Perturbation theory to model the interaction between the short-term and long-term dynamics. Based on this interaction, a suitable criterion to determine when the quasi-steady state model of a power system can be considered as a uniform approximation of the full-time scale model is proposed, which also determines the appropriate switching time between models. The proposed method is demonstrated on the 10-machine, 39-bus New England system and a 46-machine, 190-bus equivalent Mexican system.
CONACYT, Mexique ; Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/101820
10.1016/j.epsr.2011.11.007
www.elsevier.com/locate/epsr

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